fwprintf_chk.c

/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */#include <stdarg.h>#include <wchar.h>#include "../libio/libioP.h"/* Write formatted output to FP from the format string FORMAT. */int
__fwprintf_chk (FILE *fp, int flag, constwchar_t *format, ...)
{
va_list ap;
int done;
_IO_acquire_lock_clear_flags2 (fp);
if (flag > 0)
fp->_flags2 |= _IO_FLAGS2_FORTIFY;
va_start (ap, format);
done = _IO_vfwprintf (fp, format, ap);
va_end (ap);
if (flag > 0)
fp->_flags2 &= ~_IO_FLAGS2_FORTIFY;
_IO_release_lock (fp);
return done;
}